Home / 130,857.39-196,281.90-54,996.12

Finding the Fourth Proportional to 130,857.39, 196,281.90 and 54,996.12

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Solution

The fourth proportional to 130,857.39, 196,281.90 and 54,996.12 is: 82,492.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,857.39 : 196,281.90 = 54,996.12 : x
  2. Step 2: Convert to fraction form
    130,857.39/196,281.90 = 54,996.12/x
  3. Step 3: Cross multiply
    130,857.39x = 196,281.90 × 54,996.12
  4. Step 4: Simplify right side
    130,857.39x = 10,794,742,926.23
  5. Step 5: Solve for x
    x = 10,794,742,926.23/130,857.39
  6. Step 6: Final answer
    x = 82,492.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.